[Webkit-unassigned] [Bug 112490] New: Reflected video elements hit assertion on Lion

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=112490

           Summary: Reflected video elements hit assertion on Lion
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media Elements
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: simon.fraser at apple.com
                CC: jer.noble at apple.com


Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x000000010d30b705 WebCore::RenderLayerCompositor::flushPendingLayerChanges(bool) + 229 (RenderLayerCompositor.cpp:342)
1   com.apple.WebCore                 0x000000010c5add9f WebCore::FrameView::flushCompositingStateForThisFrame(WebCore::Frame*) + 255 (FrameView.cpp:908)
2   com.apple.WebCore                 0x000000010c5b80e5 WebCore::FrameView::paintContents(WebCore::GraphicsContext*, WebCore::IntRect const&) + 741 (FrameView.cpp:3399)
3   com.apple.WebCore                 0x000000010d556d89 WebCore::ScrollView::paint(WebCore::GraphicsContext*, WebCore::IntRect const&) + 777 (ScrollView.cpp:1081)
4   com.apple.WebKit2                 0x0000000109bcfd34 WebKit::WebPage::drawRect(WebCore::GraphicsContext&, WebCore::IntRect const&) + 292 (WebPage.cpp:1108)
5   com.apple.WebKit2                 0x00000001099ca3a8 WebKit::LayerTreeHostMac::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, unsigned int, WebCore::IntRect const&) + 88 (LayerTreeHostMac.mm:254)
6   com.apple.WebKit2                 0x00000001099ca435 non-virtual thunk to WebKit::LayerTreeHostMac::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, unsigned int, WebCore::IntRect const&) + 69
7   com.apple.WebCore                 0x000000010c685926 WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::IntRect const&) + 294 (GraphicsLayer.cpp:328)
8   com.apple.WebCore                 0x000000010c693460 WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::GraphicsContext&, WebCore::IntRect const&) + 48 (GraphicsLayerCA.cpp:1059)
9   com.apple.WebCore                 0x000000010c6934a7 non-virtual thunk to WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::GraphicsContext&, WebCore::IntRect const&) + 55
10  com.apple.WebCore                 0x000000010d92b700 drawLayerContents(CGContext*, CALayer*, WebCore::PlatformCALayer*) + 1744 (WebLayer.mm:116)
11  com.apple.WebCore                 0x000000010d92c5e6 -[WebLayer drawInContext:] + 70 (WebLayer.mm:233)
12  com.apple.QuartzCore              0x00007fff8f1e7225 CABackingStoreUpdate_ + 3221
13  com.apple.QuartzCore              0x00007fff8f1e613a CA::Layer::display_() + 1086
14  com.apple.WebCore                 0x000000010d92c536 -[WebLayer display] + 54 (WebLayer.mm:223)
15  com.apple.QuartzCore              0x00007fff8f1de00a CA::Layer::display_if_needed(CA::Transaction*) + 560
16  com.apple.QuartzCore              0x00007fff8f1dcfbf CA::Context::commit_transaction(CA::Transaction*) + 319
17  com.apple.QuartzCore              0x00007fff8f1dcd3c CA::Transaction::commit() + 274
18  com.apple.MediaToolbox            0x00007fff8f3990e3 0x7fff8f34d000 + 311523
19  com.apple.MediaToolbox            0x00007fff8f399945 0x7fff8f34d000 + 313669
20  com.apple.MediaToolbox            0x00007fff8f399d60 0x7fff8f34d000 + 314720
21  com.apple.MediaToolbox            0x00007fff8f399e62 0x7fff8f34d000 + 314978
22  com.apple.MediaToolbox            0x00007fff8f38e79a 0x7fff8f34d000 + 268186
23  com.apple.MediaToolbox            0x00007fff8f38d057 0x7fff8f34d000 + 262231
24  com.apple.avfoundation            0x00007fff9441ae2f -[AVPlayerLayer _updateContentLayerConnectionToPlayer] + 187
25  com.apple.avfoundation            0x00007fff94419e76 -[AVPlayerLayer setPlayer:] + 442
26  com.apple.WebCore                 0x000000010d145642 WebCore::PlatformCALayer::clone(WebCore::PlatformCALayerClient*) const + 1202 (PlatformCALayerMac.mm:277)
27  com.apple.WebCore                 0x000000010c69c7a3 WebCore::GraphicsLayerCA::cloneLayer(WebCore::PlatformCALayer*, WebCore::GraphicsLayerCA::CloneLevel) + 67 (GraphicsLayerCA.cpp:2892)
28  com.apple.WebCore                 0x000000010c69c675 WebCore::GraphicsLayerCA::findOrMakeClone(WTF::String, WebCore::PlatformCALayer*, WTF::HashMap<WTF::String, WTF::RefPtr<WebCore::PlatformCALayer>, WTF::StringHash, WTF::HashTraits<WTF::String>, WTF::HashTraits<WTF::RefPtr<WebCore::PlatformCALayer> > >*, WebCore::GraphicsLayerCA::CloneLevel) + 261 (GraphicsLayerCA.cpp:2740)
29  com.apple.WebCore                 0x000000010c69cc34 WebCore::GraphicsLayerCA::ensureCloneLayers(WTF::String, WTF::RefPtr<WebCore::PlatformCALayer>&, WTF::RefPtr<WebCore::PlatformCALayer>&, WTF::RefPtr<WebCore::PlatformCALayer>&, WebCore::GraphicsLayerCA::CloneLevel) + 916 (GraphicsLayerCA.cpp:2766)
30  com.apple.WebCore                 0x000000010c698392 WebCore::GraphicsLayerCA::fetchCloneLayers(WebCore::GraphicsLayer*, WebCore::GraphicsLayerCA::ReplicaState&, WebCore::GraphicsLayerCA::CloneLevel) + 130 (GraphicsLayerCA.cpp:2804)
31  com.apple.WebCore                 0x000000010c69816b WebCore::GraphicsLayerCA::replicatedLayerRoot(WebCore::GraphicsLayerCA::ReplicaState&) + 187 (GraphicsLayerCA.cpp:1783)

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